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The two serial ports are not PC compatible; the first is an RS-232C/RS-422 with modem lines, while the second is simply an RS-232C without modem lines. Both are driven by an 82C51.
The DG1 is not terribly heavy or bulky for its time. The screen is clear and easy to read. Overall, it's a pretty nice design.
Closed for travel
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Uncle Roger's Classic Computers |
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Computers - Wanted - Add Info - Conduct - Awards - Resources |